U.S. House Republicans face test of unity in budget votes

By David Lawder WASHINGTON (Reuters) - In a test of party unity, Republicans in the U.S. House of Representatives on Wednesday are set to vote on the federal budget, using an unusual format meant to overcome lingering internal disagreements over defense spending. Known as a "Queen of the Hill" vote, the process will let lawmakers vote on several budget alternatives. The idea is to minimize the chances of not passing a budget at all, which would call into question Republicans' abil